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Belarus MTZ-521 Specs ( 1973-1977 )

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Overview

The Belarus MTZ-521 is a 67 hp farm tractor featuring a four-wheel drive system and a 4.7L 4-cylinder engine built for agricultural performance. Produced between 1973 and 1977, this 7,695 lb machine utilizes a 9-speed transmission and power assist steering to handle various field operations.

Ideal Applications

Heavy-Duty Traction: The four-wheel drive configuration combined with a 7,695 lbs operating weight provides the stability and ground grip necessary for demanding farm tasks.
Implement Management: A rear lift capacity of 4,410 lbs and a 13.2 gpm hydraulic flow rate allow for the effective operation and transport of heavy mounted implements.
PTO-Driven Operations: Equipped with a 540/ground rear PTO and a 67 hp engine, this tractor is designed to power a range of stationary and towed machinery at 1800 rated RPM.

Production

Manufacturer Belarus

Engine

Engine type 4.7L 4-cyl
Bore/Stroke 4.331x4.921 inches (110 x 125 mm)
Description D60 / 4-cylinder
Displacement 289.8 ci (4.7 L)
Power 67 hp (50.0 kW)
Rated RPM 1800
Torque 193.3 lb-ft (262.1 Nm)
Torque RPM 1100

Transmission

Gears 9 forward and 2 reverse
Transmission type 9-speed

Mechanical

Description Disc brakes / standard
Drive type Four-wheel drive
Steering power assist

Hydraulics

Total flow 13.2 gpm (50.0 lpm)

Hitch

Rear lift 4,410 lbs (2000 kg)

PTO

Rear PTO Type 540/ground

Dimensions & Tires

Ag front 8.30-20
Ag rear 13.6-38
Height 101.6 inches (258 cm)
Length 151.6 inches (385 cm)
Weight 7,695 lbs (3490 kg)
Wheelbase 96.5 inches (245 cm)
Front tire 8.30-20
Rear tire 13.6-38
Weight 7,695 lbs (3490 kg)
Wheelbase 96.5 inches (245 cm)

Variants

MTZ-501 2WD